Functional Devices RIBMN24Q4C-PX 4 Output Field Adjustable Staging Threshold Relay Module, 24 Vac/dc Power Input, 0-10 Vdc Control Input, 2.75 Track Mount
Functional Devices RIBMN24Q4C-PX 4 Output Field Adjustable Staging Threshold Relay Module, 24 Vac/dc Power Input, 0-10 Vdc Control Input, 2.75 Track Mount
$96.49
Check on amazon

4 Output Field Adjustable Staging Threshold Relay Module, 24 Vac/dc Power Input, 0-10 Vdc Control Input, 2.75" Track Mount